When dealing with aliens, try to be polite, but firm. And always remember that a smile is cheaper than a bullet.
While this quote is brief and not brought to much attention as it is spoken, it conveys a considerable amount of information about how the humans see the aliens: like living things, but more like a pet than sentient beings. It shows that the main goal of the humans is to control the aliens, regardless of their well being. It shows that they do not have any intentions of trying to collaborate with them and live peacefully. It even goes as far as to value their lives as less than a bullet.
I can't believe I'm being paid to do this. I love watching you prawns die.
This quote summarizes all that Koobus Venter is. It shows his love for killing Prawns and his disregard for lives as a whole. It alse shows whe he clashes with Wilkus, given Wilkus's care for keeping the aliens alive and Koobus's desire to kill them.
[examining and fiddling with the lid of the Prawns' fuel] ... but, it's uh, not a weapon... but I don't trust it, I don't trust any-a the [sprayed in face with the Prawns' fuel]
This quote is not so much as important as the scene is. In this one, Wilkus gets sprayed in the face by the black liquid, the event that begins his transition from human to alien and the event that begins the film's crazy spiral into the violent chaos of the conclusion.
